7.9A Just Right Vocabulary

Define astrobiology.

• an area that is just the right distance from the sun, or other star, that it is not too hot or too cold to support life
• an unmanned spacecraft sent from Earth to explore objects in space
• the study of the origin, development, distribution, and future of life on Earth and in the universe
• the elliptical path one celestial object takes around another kept in place by the gravitational pull of the larger object

Define geyser.

• the elliptical path one celestial object takes around another kept in place by the gravitational pull of the larger object
• matter that contains carbon which includes all living things
• a vehicle propelled by the exhaust made from burning fuel
• a warm spring that sometimes ejects a jet of liquid water or water vapor into the air

Define organic

• matter that contains carbon which includes all living things
• the elliptical path one celestial object takes around another kept in place by the gravitational pull of the larger object
• a vehicle propelled by the exhaust made from burning fuel
• an unmanned spacecraft sent from Earth to explore objects in space

Define orbit.

• an unmanned spacecraft sent from Earth to explore objects in space
• an area that is just the right distance from the sun, or other star, that it is not too hot or too cold to support life.
• a warm spring that sometimes ejects a jet of liquid water or water vapor into the air
• the elliptical path one celestial object takes around another kept in place by the gravitational pull of the larger object

Define rocket.

• a warm spring that sometimes ejects a jet of liquid water or water vapor into the air
• the elliptical path one celestial object takes around another kept in place by the gravitational pull of the larger object
• any celestial or artificial body in orbit around another larger celestial body
• a vehicle propelled by the exhaust made from burning fuel

Define satellite.

• any celestial or artificial body in orbit around another larger celestial body
• a vehicle propelled by the exhaust made from burning fuel
• an unmanned spacecraft sent from Earth to explore objects in space
• a warm spring that sometimes ejects a jet of liquid water or water vapor into the air

Define space probe.

• any celestial or artificial body in orbit around another larger celestial body
• a vehicle propelled by the exhaust made from burning fuel
• an unmanned spacecraft sent from Earth to explore objects in space
• a warm spring that sometimes ejects a jet of liquid water or water vapor into the air

Define habitable zone.

• a vehicle propelled by the exhaust made from burning fuel
• an area that is just the right distance from the sun, or other star, that it is not too hot or too cold to support life
• matter that contains carbon which includes all living things
• the study of the origin, development, distribution, and future of life on Earth and in the universe